|Seems Windows isn't starting.|
This is a long shot but worth trying as it has at odd times unstuck computers:
Turn off computer, unplug power cord, remove main battery if it is a laptop. Before restarting hold the Power Off/On button down for at least 20 seconds to discharge the motherboard components.
Otherwise see the ideas here:
A hardware fault is possible.
Always pop back and let us know the outcome - thanks
message edited by Derek